%0 Journal Article
%A Novelli, Carla
%A Occhetta, Gianluca
%T Manifolds Covered by Lines and Extremal Rays
%J Canadian mathematical bulletin
%D 2012
%P 799-814
%V 55
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-119-7/
%R 10.4153/CMB-2011-119-7
%F 10_4153_CMB_2011_119_7